| Physics Operator Comments |
| Feb 10 2006 07:14:43:777AM | | Steve Wolfe |
Starting from last shot of yesterday:
PG4=23msec
Br0=-.0002
EF4=-1345
NL04 off in seg2; PG3 at 30V [.1,.5]sec
Load at 10-Feb-2006 07:12:01.00
Open tree /home/wolfe/pcs_scratch -1
Open tree done
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| Feb 10 2006 07:31:42:550AM | | Steve Wolfe |
C-right vertical came up to -135C overnight,
despite the verticals having been left set
at -165.
When Andy tried to start the cycle around 7:15
he got the "Do you want to restart servers" message
I noticed that after I logged in as physop the logbook
changed the current run from 1060209 to 1060210. This
is probably just because the logbook is looking at the
max(runs) and the cycle probably doesn't query the same
database, but I'll mention it to Josh when Andy calls him
at 10:30.
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| Feb 10 2006 09:26:56:070AM | 1060210001 | Steve Wolfe |
Shot#1:
C-right vert is still only down to -150. We will
take a cycle test to get scanner reading.
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| Feb 10 2006 10:01:08:913AM | 1060210002 | Steve Wolfe |
Shot#2: We will try for plasma.
The vessel temp has been set to 20C for today.
Willy will take the force off the C-stub heaters
We may get leaks, but we need to assess the C-right
cooling situation today, before we definitely decide to warm up
to fix it.
LH tree set /include for this shot.
plasma full length.
Some runaways early. One bounce, early breakdown.
Temp goes to -152 after pulse
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| Feb 10 2006 10:21:55:157AM | 1060210003 | Steve Wolfe |
Shot#3: Raise maintenance level on pg3 in
seg2 from 30V to 35V
pg4 from 23 to 25ms
plasma full length
Still have hards, nl04 at 5 to 6e19
Startup still a little bouncy.
C-right Temp from -161 before to -153 after.
next shot: raise pg4 again
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| Feb 10 2006 10:33:48:213AM | 1060210003 | Steve Wolfe |
Shot#4: pg4 from 25 to 27ms
There will be a cell access for the lower hybrid
to move the launcher forward.
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| Feb 10 2006 11:15:26:527AM | 1060210004 | Steve Wolfe |
Shot#4: pg4 from 25 to 27ms
There will be a cell access for the lower hybrid
to move the launcher forward.
While I'm waiting, load wire 14 with nl_zmeter from
shot 1051130015 wire 11, turn its gain from 4 to zero
Load it so I can see the aout
plasma full length. No bounce, no hards.
Temp down to -163 after 48minutes (mostly at 3psi)
-164 before shot; -156 after.
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| Feb 10 2006 11:31:57:677AM | 1060210005 | Steve Wolfe |
Shot#5: Increase PG3 to 50 between .1 and .5sec, 15V to 1sec
Enable argon/neon puff.
Lots of runaways, plasma full length.
temp at -152 after (didn't notice before)
next: raise pg4 again
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| Feb 10 2006 11:59:59:430AM | 1060210006 | Steve Wolfe |
Shot#6: pg4 to 30msec
plasma full length. No hards
nl04 nice and flat at 8e19; I'll leave nl_zmeter
off until there seems to be some reason to use it.
25 minutes to get to -160C; -152 after shot
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| Feb 10 2006 12:14:10:973PM | 1060210006 | Steve Wolfe |
Shot#7: No changes
Launcher may have been further in than thought.
Cell access to move it back out a few mm.
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| Feb 10 2006 12:31:22:263PM | 1060210007 | Steve Wolfe |
Shot#7: No changes
Launcher may have been further in than thought.
Cell access to move it back out by 5mm.
plasma full length; breakdown a bit later,
no runaways. nl04=8.5e19
about 30 minutes to get to -160C; -152 after shot
next shot: no changes
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| Feb 10 2006 01:02:25:157PM | 1060210008 | Steve Wolfe |
Shot#8: no changes
LH timing moved from 0.3 to 0.7sec
PG1 puff increased from 30 to 40msec
plasma full length, no runaways
No obvious effect of LH on plasma at 0.7sec
28min to -160C; -152 after pulse
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| Feb 10 2006 01:32:35:380PM | 1060210009 | Steve Wolfe |
Shot#9: no changes
Brian will start scanning the probes this shot
fizzle. Irby jinxed it.
28min to -160C; -154 after
next: 5A negative on ef4
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| Feb 10 2006 01:55:10:283PM | 1060210010 | Steve Wolfe |
Shot#10: ef4 from -1345 to -1350;pg4 from 30 to 29ms
Changing vessel temp set points from 20C to 10C
plasma full length, 3pokes by Brian
no runaways (maybe one tiny dump)
nl04=8.4e19
No LH this shot, because they are looking into why
they weren't stopped by the fizzle detector last shot.
19min to -160; -152C after shot
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| Feb 10 2006 02:21:39:807PM | 1060210011 | Steve Wolfe |
Shot#11: Increase pg1 puff from 41 to 50msec
plasma full length. Breakdown a little later
no runaways
24 min to -160C;-152 after
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| Feb 10 2006 03:00:18:183PM | 1060210012 | Steve Wolfe |
Shot#12: No changes
plasma disrupted early (.6sec)
density took off? Gas puff is the same as 11?
Pressure is rising but gas looks normal.
Looks like a poloidal detachment.
Argon turned off for next shot.
Next shot: vessel set down to 0C
(despite fear that this could have had
something to do with this shot's problem).
25 min to -160C; -153 after
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| Feb 10 2006 03:15:19:833PM | 1060210013 | Steve Wolfe |
Shot#13: No changes
(other than argon off and vessel temp)
fizzle, should have dropped pg4 probably.
Shot 1060210013: \mag_bp_coils.signals:bp01_bc has a baseline offse
t -1.1E-02
22 min to -160C; -155 after
next shot: drop pg4 2msec
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| Feb 10 2006 03:45:22:917PM | 1060210014 | Steve Wolfe |
Shot#14: drop pg4 from 29 to 27ms
Brian is stopping probes for now.
plasma full length. No runaways.
nl04=6e19 with same gas puff.
18 min to -160C;-152 after pulse
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| Feb 10 2006 04:04:08:110PM | 1060210015 | Steve Wolfe |
Shot#15: No change. LH will try to fire this time.
plasma full length. No runaways.
nl04=7.4e19
24 min to -160; -152 after shot.
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| Feb 10 2006 04:31:53:663PM | 1060210016 | Steve Wolfe |
Shot#16: pg4 from 27 to 26ms
Brock will fire a Li pellet at 1.4sec
Vessel setpoint is back to 10C
Dud! shouldn't have dropped it I guess.
24 min to -160C; -154 after
next shot: up to 28msec on pg4
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| Feb 10 2006 04:54:27:750PM | 1060210017 | Steve Wolfe |
Shot#17: pg4 from 26ms to 28ms
Brock will fire a Li pellet at 1.4sec
Vessel setpoint is back to 10C
plasma full length.
nl04=7.7e19, no runaways.
LPI gate valve didn't open.
17 minutes to -160; -152 after shot.
END OF RUN.
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